Journal of Organometallic Chemistry p. 261 - 268 (1985)
Update date:2022-08-11
Topics:
Wakita, Yoshiaki
Yasunaga, Tomoyuki
Kojima, Masaharu
Secondary and/or tertiary alcohols and unsymmetrical ketones have been obtained in moderate to good yields by palladium-catalyzed (5 molpercent) carbonylative coupling of aryl iodides with alkylaluminum compounds under very mild conditions (20-50 deg C, 1 atm of carbon monoxide).The type of th reaction product depended on the aluminum reagent employed.While the selective formation of secondary alcohols was observed in the reaction with i-Bu3Al, the use of Et3Al led to a mixture of a ketone and two alcoholic products.With Et2AlCl predominantly unsymmetrical ketones were produced.In all cases, formation of directly cross-coupled products was not observed.DME and benzene can be used as solvents, but THF is unsuitable.Nickel catalysts were found to be ineffective for this reaction.
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